(navigation image)
Home American Libraries | Canadian Libraries | Universal Library | Community Texts | Project Gutenberg | Children's Library | Biodiversity Heritage Library | Additional Collections
Search: Advanced Search
Anonymous User (login or join us)
Upload
See other formats

Full text of "Atari SM124 Schematic (1986)(Atari)"

c^i 



un 



CJ 



\n 



UJ 







s 



2 

O 



U 



uu 

Q 



< 

2 

O 

N 



o 

X 





© 



5Vp-p 
35.7KHz 





© 



11.5Vp-p 
35.7KHz 




2.3Vp-p 
35.7KHz 




) 



® 



9.0Vp-p 
35.7KHz 



® 



8.0Vp-p 
35.714KH2 








0.7Vp-p 
35.7KHz 














® 68vp - p 

W 35.7KHz 






















7.2Vp-p 
35.714KHz 



® 



7,0Vp-p 
35. 71 4K Hz 





Vol: 6.4Vp-p 
35.714KHz 




® 



7.0Vp-p 
35.714KH* 



nnnr 





0.7Vp-p 

35.714KHz 





4.7lVp-p 
35.714KHz 



II 


Ill 








® 



180Vp-p 
35.714KHz 



-JU/ 


U/U 


_ ,., 






56Vp-p 
35.714KHz 






38Vp-p 
35.714KHz 



© 



36Vp-p 
35.714KHz 




11.8VDC 



® -70.0VDC 




69.5VDC 




28.8VDC 




600VDC 



CW1RAST 
Vft*2 



SCHEMATIC DIAGRAM 



Kncs: 

1 RtfUtws *r* s)»wn in rims 
* - VWI. H > IMMH 

I ItpKituri arc fthtwn t* *tf 
♦thtrwt *»teti P Eftf 

J. All resistor* are t S ft fetcr 
Uritu ettwrmt inhaled 



I Ml AMSnS 




■'vyy 



R»» 



PW 



Atmv 



t«w noof 




1 




A R1A4TJ 



C 

ir 



»W 






MM 



011 






»• 



nt 

it/ no 



cm 



cm 




tt»1 K1C$iJTH-ft/Y <L*M KUIWf-O/t QrU«Um* 0/T 



(Lift* K1C 19*9-0/7 



am nimwT am ruim-#/T m>? KUmt^/r 



A i RfPLACE ALL COWOKMTS 
MARKED WtTH SAFETY 
SYHBO. WITH IOEWTJCAL TYPE 



tPORUNT SAFETY M0TKE 

TW SHADED AREA ON THIS SCHEMATIC DIAGRAM INCORPORATES SPECIAL 
FEA1URES IMPORTANT FOR PROTECT** FROM X-RADlATION, FIRE AND 
ELECTRICAL SMOCK HAZARDS. WHEN SERVICING n IS ESSENTIAL THAI 
ONLY MANUFACTURERS SPECIFIED PARTS BE USED FOR THE CRITICAL 
COMPONENTS M THE SHADED AREAS OF THE SCHEMATIC. 



tlPORTANT AVIS SUR LA SECURJTE 

LA PARTIf OMBRfE D£ CE DIAGRAME SCHfrttTNUPE COMPREND {ftMPORTANTES 
CARACllRlSTIQUES SPEOALES CONQUES POUR PROTEGCR OES RArONS^ET 
DES DANGERS OMtENME ET DE SECOUS5E5 ELEETRMUES EN CAS OE BESOW 
SI DCS P€C£S OE CETTE PARTJE OM8RK 00*^NT ETRE REMPtACE S 
H'UTILISfZ CUE DES PfCES SPECFKES PAR LE MAMUfACTORfR. 



P/N 484-476A 



MT-S1 SCHEMATIC DIAGRAM 







rmZS < I RESISTC3S A«S SKOVN IN CKHS 

:< = uco Ms iccocco 

a CAPACITD?S ASE SHCVN IN uf 
0TKE3V12E NOTES ? » u u 

a all RESBTGss a»e±5*TlLE3a>:ce 

L71ESS QTH3 VISE INDICATE!!. 

s T£?LACE ALL CONSENTS MASXE3 VITH 
CAFTY STCSCL VI7H KENTICAL TYPE 



IHPCSTiMT SAf ETY HCTICE 
Ti£ SHASE9 AXEA CM THIS SCHEMATIC 2IAGSAH iNCCSrSATES S: 
IfEATLSES fiPCRTAMT fuM".QTECTiCN ?S£M X-SAEATIEfc ?lt£ 
OECTrxlCAL SKOCJC MVO&, VrIN SET<V!CU:G vr IS ESSENTIAL 
0U VAJaJrACTLSEP: $rl~.ri3 ?A3"2 2E L*:E3 FC3 TrE GUT! 

coslsemtc n\ the :: j a:e3 aseas :~ t:-e schematic 






AT 



MOV 



- £ 



w . 



~- 'u 



<*? 



u 



TROUBLESHOOTING CHART 



MAIN CHART 



Please Check the Monitor and the PC 
how to Connect exactly. 



Yes 




No 



i 



Go to POWER chart 



Yes 




Yes 



Go to VIDEO chart. 



No 




Yes 



Go to SOUND chart. 



Switch ON monitor, 

then check it after 15 miuntes. 




No 



Adjustment 



Good I Please return the set to owner. 



POWER CHART 



N« 



Check AC fuse (F901). 




No 



Replace AC fuse. 




Please check the monitor 
and outlet connections. 




Yes 



■H To the main chart 



No or Weak 



Check input of IC901 



Check P5 & P4 
of power PCB. 



Yes 



Replace 
Power Switch, 




Check output of IC901 & PIN 
#2 of connector (P901), 




Yes 



Replace IC901 
or Q901. 



To the main chart, 




No 




VIDEO CHART 



Faulty 



Adjust 

V-Hold (VR601) 
H-Center (VR701) 
Sub-Bright (VR702) 




To the 

main chart 




No 










i 


Check 
Video circuit 




* 


r 




Check 
Hor. circuit. 




1 


r 




Check 
Vert, circuit. 



Trouble in FBT . 



Z} 



No 



Check the connection 
between Monitor and PC 




Check #5 or #9 of IC302 I 




Check cathode o( 
CRT PCB. 




Check FBT circuit. 




Trouble in CRT. 



No 



No 



No 



No 



Yes 



Trouble in 

Signal Cable. 



Trouble in 
IC301 or Q304, 



Trouble in 
IO02 or Q301 



Check Q303 
and Q302. 




No 



Trouble in 
Q303 or Q302. 



SOUND CHART 



Check the connection 

between Monitor and PC. 




Check connector 
(P402). 




Check connector 
(P401). 




Trouble in IC401 
and C403. 



No 



No 



No 



No 



To the Power chart. 



Trouble in connector. 

(P90D 



Trouble in connector. 

(P402) 



Trouble in connector, 

(P401) 



VERTICAL DEFLECTION CIRCUIT 





/ 



© 



5.0Vp-p 
71.43Hz 




© 



0.7Vp-p 
71.43Hz 




® 



4Vp-p 
71.43Hz 



j 



6.68V 





4.0Vp-p 
71.43 Hz 





4.7Vp-p 
71.43Hz 




© 



2.1Vp-p 
71.43Hz 




11.92V 





24Vp«p 
71.43Hz 





i 




12Vp-p 
71.43Hz 



© 



2.5Vp-p 
71.43Hz 




0.7Vp-p 
71.43Hz 




> 




0.85Vp-p 
71.43Hz 




® 



22Vp-p 
71.43Hz 



> 



5. 
u 

o 

UJ 

Q 
> 




ri O 

fo o£ {"! 
^ ui U 

< so 

CD S U 

s 

a 



> 



> 



> 
8 



> 

00 

■ 

O 
IN 



* t 



• I 



• r 



® ® 










1 









a 

i 

a 

> 

CO 

© 



^^^M 



I 

> 

m 




.3 



i 

a 

> 

® 





j 


K 



a 
> 



e